Origin	China
Model Number	HG325
Brand Name	V-Solution

HG325 to meet SOHO and home user′s access requirement, It provides VoIP and LAN interconnect services in one box. HG325 softly support SIP protocol, integrates rich interface (2*FXS+1*WAN+4*LAN). 

Specification
1)    CPU: MIPS SOC GC3210W, Maximum Clock frequency 266MHz;
2)    Memory: 4MBytes NOR Flash, 32MBytes SDRAM;
3)    POTS: 2FXS, RJ11, can connect traditional telephone, Fax machine or MODEM;
4)    Ethernet interface: 5RJ45(1 WAN, 4 LAN), complying with IEEE802.3/802.3u, 10/100M auto-adaptive, Full Duplex, support Auto MDIX, VLAN Tag, IEEE802.3x flow control and so on, could connect PC, Switch, Router, Firewall and so on;
5)    Indicator: total 8, 1 for power supply, 2 for configuration status, 2 for telephone status and 5 for Ethernet status;
6)    Ambient temperature: -5 C ~ +55 C;
7)    Ambient humidity: 10~90%, non-condensation.

Features
1)    Protocol: SIP (RFC2543, RFC3261), softly compatible with widely used Soft-Switch. such as Huawei, ZTE, Alcatel-Lucent;
2)    Voice Coder: ITU-T G.711(A/?-law), G.723.1(5.3K/6.3K), G.729A/B, HG325 can auto negotiate with SIP Server;
3)    Echo canceller: complied with ITU-T G.168-2002, 128ms(Max);
4)    Network protocol: TCP/IP, UDP, RTP/RTCP, ARP, TFTP, HTTP, Telnet, ICMP, IGMP, NTP, SNTP and so on;
5)    Powerful data switch function: VLAN, IGMP, 4 levels QOS, port rate control and so on,
6)    IP address distribution: static or dynamic(PPPOE and DHCP);
7)    NMS: support CLI and Web, integrates IVR, user can set HG325 by the connected phone dial pad;
8)    Equipment can be remotely upgraded through WAN(Internet);
9)    Volume gain: -31dB ~ +31dB;
10)    Support silence compression, voice active detection(VAD) and comfortable noise generation (CNG);
11)    Support T.30, T.38 fax, fax Pass-Through mode;
12)    Support Modem dial;
13)    Support auto-adaptive Jitter-Buffer;
14)    Support TOS(Type Of Service), QOS(Quality of Service);
15)    Support RFC2833 and redundant RFC2833;
16)    Support PLC(Packet loss compensation).
17)     michael dot ma at v-solution  dot cn